Geocaching is the recreational activity of hunting for and finding a hidden object by means of GPS coordinates posted on a website. Geocaching is a real-world, outdoor treasure hunting game using GPS-enabled devices. Participants navigate to a specific set of GPS coordinates and then attempt to find the geocache (container) hidden at that location. To learn how to play the game and track, view the guide at this link: https://www.geocaching.com/guide/.

GeoCoins for geocaching, can be made of metal or wood or plastic or resin.  They have generic tracking systems to load your find online, and some can be personally mapped to an individual’s tracker. Some have themes like Christian GeoCoins, and some represent a specific geographic area such as a country or countries. Some have compasses built into them, or other embellishments. Some are themed to a specific landmark or tourist attractions (such as zoos) or national monument or park, to holidays or other celebrations, to the military, or other groups or causes.   Some have holograms or glow in the dark. Some are puzzle pieces so you have to search for other GeoCoins to finish the puzzle. They come in all kinds of shapes, can be bimetallic, or elongated. They can be issued in any language, and be found nearly anywhere in the world. Some are very funny, for example there is one that looks like a pile of dog poop and another one looks like a chunk of real gold or to look like snakes or insects.

Here's some examples of GeoCoins: